#1BB8A9
Closest named color: Topaz (#13BBAF). oklch(70.5% 0.121 184.4), rgb(27, 184, 169).
Aa
Black text reads best on this color (8.47:1).
About this color
#1BB8A9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.121 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.010 away. Black text reads best on it, at 8.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.47:1 |
| White text | 2.47:1 |
Values
| HEX | #1BB8A9 |
| RGB | rgb(27, 184, 169) |
| HSL | hsl(174, 74%, 41%) |
| OKLCH | oklch(70.5% 0.121 184.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1BB8A9 | 2.47:1 | Fails | Lc -53.2 | Large or bold text, headings |
| Black text on #1BB8A9 | 8.47:1 | AAA | Lc 55.8 | Large or bold text, headings |
| #1BB8A9 text on white | 2.47:1 | Fails | Lc 48.2 | Large or bold text, headings |
| #1BB8A9 text on black | 8.47:1 | AAA | Lc -53.8 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#EEF8F6
oklch(97.1% 0.011 182.9)
-
Step 100
100
#DBEFEB
oklch(93.6% 0.022 182.5)
-
Step 200
200
#BBE3DC
oklch(88.5% 0.043 183.5)
-
Step 300
300
#87D1C6
oklch(80.9% 0.076 184)
-
Step 400
400 (this color)
#1BB8A9
oklch(70.5% 0.121 184.4)
-
Step 500
500
#009F91
oklch(63.1% 0.112 184)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#1BB8A9 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #AEADA9 | 0.128 |
| Deuteranopia (no green cones) | #9B9EAB | 0.123 |
| Tritanopia (no blue cones) | #00BCB3 | 0.015 |
| Achromatopsia (no color) | #A5A5A5 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BB8A9
#1BB8A9
oklch(70.5% 0.121 184.4)
- #DE7F97
#DE7F97
oklch(70.6% 0.12 4.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1BB8A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.010
- Light Sea Green #20B2AA ΔE 0.018
- Greeny Blue #42B395 ΔE 0.028
- Turquoise Blue #06B1C4 ΔE 0.051
- Green Blue #01C08D ΔE 0.053
- Greenblue #23C48B ΔE 0.064
- Bluey Green #2BB179 ΔE 0.065
- Dark Seafoam #1FB57A ΔE 0.065
Use #1BB8A9 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.